SSC Government Jobs Exams Numerical Ability Algebra

if x= a/(b + c), y= b/(a+c) and z= c/(a+b) then the value of xy+yz+2xyz

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After Substitute the values
we get
(a^2*b + a*b^2 + b*c^2 + 3abc)/((a+b)(b+c)(a+c))
10 years agoHelpfull: Yes(0) No(3)

SSC Other Question

if x^2-3x+1=0, then the value of

x^6+x^4+x^2+1/x^3 will be If V1, V2, V3 be the volumes of a right circular cone, a sphere and a right circular cylinder having same radius and height.then
a)V1=V2/2=V3/3
b)V1/2=V2/3=V3
c)V1/3=V2/2=V3
d)V1/3=V2=V3/2